mirror of
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35 lines
966 B
NASM
35 lines
966 B
NASM
mcopy cgc.macros
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****************************************************************
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*
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* CnvSX - Convert floating point to SANE extended
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*
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* Inputs:
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* rec - pointer to a record
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*
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****************************************************************
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*
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CnvSX start
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rec equ 4 record containing values
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rec_real equ 0 disp to real value
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rec_ext equ 8 disp to extended (SANE) value
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tsc set up DP
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phd
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tcd
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ph4 rec push addr of real number
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clc push addr of SANE number
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lda rec
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adc #rec_ext
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tax
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lda rec+2
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adc #0
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pha
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phx
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fd2x convert TOS to extended
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move4 0,4 return
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pld
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pla
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pla
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rtl
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end
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